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1.Lithium battery The development of conductive materials is one of the elements in the development of new energy. Carbon nanotubes can be used to improve the electrical conductivity of electrode materials, and the improvement of the conductivity of electrode materials (anode and cathode) is important for improving energy storage performance. Carbon nanotubes have very good electrical conductivity...
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As the anode material of lithium ion battery, silicon nanopowder has the highest theoretical specific capacity (up to 4200 mAh/g), which is much higher than the carbon powder widely used at present, but the biggest disadvantage of silicon powder as the negative electrode of lithium ion battery is the process of alloying with lithium. In the case of a large volume change, the active material is det...
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Carbon nanotechnology began in the 1990s, and its presentation has greatly improved and improved the national economy. Its internal structure is of a hierarchical type and can exhibit special chemical properties in the field of catalysis and devices. At the same time, new nanomaterials appear after graphene and nanotubes, and new carbon nanomaterials have become a hot topic in many research fields...
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Although carbon nanotubes have unique mechanical, electrical, and thermal properties, due to the strong van der Waals force and π-π interaction between carbon nanotubes, they are also easily agglomerated, and carbon nanotubes are modified or function Transformation is the main means to solve these problems. According to the existing research results, the functional modification of carbon nanotubes...
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Many people think that graphite powder is carbon powder. In fact, there is still a big difference between graphite powder and carbon powder. Next, SAT NANO will introduce the difference between the two in detail; Toner generally refers to toner, which is widely used in printer cartridges. The main component of toner (also known as toner) is not carbon, but most of it is composed of resin and carbo...
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Carbon nanotubes are simply classified according to the number of layers of graphene sheets: single-walled carbon nanotubes and multi-walled carbon nanotubes. The difference between the two is mainly reflected in: 1. Discover the time difference In 1991, when Li Ji-ma, an electron microscope expert in the Basic Research Laboratory of NEC Corporation, Japan, observed the C60 structure under a high-...
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In building energy conservation, the light transmission and heat insulation of glass is a very critical issue. In buildings with transparent ceilings and large-area exterior windows, the thermal radiation of sunlight will lead to an increase in the energy consumption of air conditioners, resulting in a large energy waste. In order to improve this phenomenon, nano-scale antimony doped tin oxide ATO...
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Infrared light has an obvious thermal effect, which can easily lead to an increase in ambient temperature. Ordinary architectural glass has no thermal insulation effect, and can only be achieved by means of filming. Therefore, architectural glass, car film, outdoor facilities and other surfaces need to use thermal insulation materials to achieve the effect of thermal insulation and energy saving. ...
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The polymer film material has good processing and electrical insulation, and is widely used in various fields of industrial production and daily life. However, due to its high surface resistance, static electricity is easy to accumulate during use. When static electricity accumulates to a certain degree It will cause static vacuums, electric shock, and even adverse consequences such as fire and ex...
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Nitrogen doped carbon nanotubes are a new type of nanomaterial with excellent physical and chemical properties, and have broad application prospects. First, nitrogen doped carbon nanotubes can be prepared by various methods, such as chemical vapor deposition, chemical vapor deposition arc discharge, electrochemical oxidation and reduction, sol gel method, etc. Among them, nitrogen doped carbon nan...
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Invisible material refers to a material that can reduce or eliminate the reflection of light on the surface of an object, making it invisible or reducing its visibility. The principles of commonly used stealth materials currently include the following: The principle of refractive index control: By utilizing the difference between the refractive index of the material and the refractive index of the...
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Introduction: Nanotechnology is becoming increasingly important in many fields, from medicine to electronics. Nanomaterials, including nanoparticles, nanotubes, and nanowires, are essential components of many nanotechnology applications. Producing these materials requires specialized techniques, such as wet and dry methods. In this article, we will explore what dry and wet methods are, their benef...
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